51154150504 has 32 divisors (see below), whose sum is σ = 97094781000. Its totient is φ = 25262820352.

The previous prime is 51154150499. The next prime is 51154150519. The reversal of 51154150504 is 40505145115.

It can be written as a sum of positive squares in 4 ways, for example, as 27314172900 + 23839977604 = 165270^2 + 154402^2 .

It is a super-2 number, since 2×51154150504² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640842 + ... + 716230.

Almost surely, 2^51154150504 is an apocalyptic number.

It is an amenable number.

51154150504 is a deficient number, since it is larger than the sum of its proper divisors (45940630496).

51154150504 is a wasteful number, since it uses less digits than its factorization.

51154150504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76437 (or 76433 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

Adding to 51154150504 its reverse (40505145115), we get a palindrome (91659295619).

The spelling of 51154150504 in words is "fifty-one billion, one hundred fifty-four million, one hundred fifty thousand, five hundred four".